Louver blade, louver balde assembly and pergola

ABSTRACT

The present application discloses a louver blade, a louver blade assembly, and a pergola. The louver blade comprises a louver blade body, wherein a first matching part and a second matching part are respectively provided on two long sides of the louver blade body. When a plurality of louver blade bodies are horizontally hinged and cooperate with each other, a louver blade body cooperates with a second mating part of an adjacent louver blade body through its first matching part, so that an overlapping sealing area is formed between two adjacent louver blade bodies, so that no gap fit can be realized, and the function of tight fit and shielding can be realized. Its waterproof and sunshade effect is good, and there is no seepage when draining.

CROSS-REFERENCE TO RELATED APPLICATIONS

This is a U.S. patent application which claims the priority and benefitof Chinese Patent Application Number 202221074844.7, filed on May 6,2022, the disclosure of which is incorporated herein by reference in itsentirety.

TECHNICAL FIELD

The present application discloses a louver blade, a louver bladeassembly, and a pergola.

BACKGROUND

The louver pergola is a sunshade tool that can achieve lighttransmission and shading by controlling the flipping of the louvers.Compared with the traditional pergola, it has won the favor of morepeople because of its flexibility in use. However, the current louverpergolas on the market are relatively poor in waterproof performance dueto gaps between the louver blades. In order to solve the problem ofwaterproofing, CN112609913A discloses a louver blade assembly,comprising a louver blade assembly and a frame, the louver bladeassembly comprises a number of louver blades arranged in sequence, alinkage bar for linking a plurality of the louver blades, and a louverquick-installation piece for cooperating with the frame; The louverblade comprises a louver blade body, a drainage hanging bucket locatedon the side of the louver blade body, and a waterproof strip arranged onthe louver blade body. By adding a waterproof strip, the waterproofpartition between adjacent louver blades can be realized and thecollision between the louvers after they are closed can be avoided.However, the waterproof strip is prone to aging after long-term exposureto the sun and rain, which makes later maintenance difficult, andrepeated disassembly and assembly will also damage the appearance of theproduct. After the waterproof strip is aged, the two adjacent leavescannot be perfectly fitted, and water seepage and side leakage are alsoprone to adverse phenomena. Therefore, it is necessary to design alouver blade with better anti-leakage performance. The louver bladeassembly and pergola made of the louver blade have good waterproof andsunshade effects, and are easy to install and maintain.

SUMMARY

In view of the above-mentioned problems in the prior art, the presentapplication provides a louver blade, a louver blade assembly and apergola.

In order to achieve the above purpose, the present application providesthe following technical solution:

A louver blade comprises a louver blade body, wherein a first matchingpart and a second matching part are respectively provided on two longsides of the louver blade body. When a plurality of louver blade bodiesare horizontally unfolded and cooperate with each other, a louver bladebody cooperates with a second mating part of an adjacent louver bladebody through its first matching part, so that an overlapping sealingarea is formed between two adjacent louver blade bodies.

Preferably, the first matching part is an undercut structure, the secondmatching part is adapted to the structure of the first matching part,the first matching part, the second matching part are integrally formedwith the louver blade body.

Preferably, the louver blade body is a plate structure with a middlepart protruding upwards, and a cross section of the louver blade body isin the shape of an arch bridge.

A louver blade assembly, comprising a beam frame and louver blades,wherein two short sides of the louver blade body are respectivelyconnected with an end plate, and a rotating shaft is arranged on the endplate, and a plurality of the louver blade bodies are respectivelyhinged on the beam frame through the rotating shaft, and transmissionrods are provided on both sides of the louver blade bodies, theplurality of louver blade bodies are also hinged to the two transmissionrods through the end plates on both sides respectively, and one of therotating shafts is connected with a driving mechanism, the louver bladebodies are driven to rotate synchronously by the driving mechanism.

Preferably, drain holes and/or drain ports are formed on the end plate.

Preferably, the beam frame is formed by connecting four beams end toend, and the beam comprises an outer beam and an inner beam arranged inparallel, the outer beam and the inner beam are connected by ahorizontal connecting beam, and a first drainage groove is positionedbetween the outer beam and the inner beam, a second drainage groove isprovided on one side of the inner beam, and a notch of the seconddrainage groove is arranged between the louver blade body and the beam.

Preferably, an inverted Z-shaped groove for installing the rotatingshaft is formed on the beam connected with the rotating shaft, and theinverted Z-shaped groove is arranged on the inner beam.

A pergola, comprising a louver blade assembly and posts for supportingand connecting the louver blade assembly, and a drainage channel isarranged in middle of the post.

Preferably, a coordination groove adapted to a corner of the beam frameof the louver blade assembly is formed at one end of the post, and atleast two reinforcing ribs are arranged in the coordination groove, afillet is provided at the corner of the beam frame, and when the beamframe is connected with the post, the fillet is inserted between tworeinforcing ribs.

Preferably, sealing plates are arranged on top and bottom of the post,and the sealing plate is connected with the post by screws.

The beneficial effect of the present application is:

Compared with the prior art, the present application discloses a louverblade, which comprises a louver blade body, wherein a first matchingpart and a second matching part are respectively provided on two longsides of the louver blade body. When a plurality of louver blade bodiesare assembled on the beam frame and the louver blade assembly is fullyclosed, a plurality of louver blade bodies are horizontally unfolded andcooperate with each other, a louver blade body cooperates with a secondmating part of an adjacent louver blade body through its first matchingpart, so that an overlapping sealing area is formed between two adjacentlouver blade bodies, so that no gap fit can be realized, and thefunction of tight fit and shielding can be realized. Its waterproof andsunshade effect is good, and there is no seepage when draining.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a schematic structural diagram of a louver blade according tothe present application;

FIG. 2 is a schematic diagram of the connection between the louver bladeand the end plate according to the present application;

FIG. 3 is a schematic structural diagram of a louver blade assemblyaccording to the present application;

FIG. 4 is a schematic structural diagram of a beam of a louver bladeassembly according to the present application;

FIG. 5 is a schematic structural diagram of the beam frame of the louverblade assembly according to the present application;

FIG. 6 is a schematic diagram of the connection between the louver bladeand the transmission rod of the louver blade assembly according to thepresent application;

FIG. 7 is a schematic structural diagram of a pergola according to thepresent application;

FIG. 8 is a schematic diagram of the connection between the post and thesealing plate of the pergola according to the present application;

FIG. 9 is a schematic structural diagram of the post of the pergolaaccording to the present application;

FIG. 10 is a schematic diagram of the connection between the post andthe beam frame of the pergola according to the present application.

DETAILED DESCRIPTION

The technical solutions of the present application will be clearly andcompletely described below in conjunction with the accompanyingdrawings. Apparently, the described embodiments are some of theembodiments of the present application, but not all of them. Based onthe embodiments in this application, all other embodiments obtained bythose skilled in the art without making creative efforts belong to theprotection scope of the present application.

In the description of this application, it should be noted that theorientation or positional relationship indicated by the terms “center”,“upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”,“outer” etc. is based on the orientation or positional relationshipshown in the drawings, and is only for the convenience of describing thepresent application and simplifying the description, but does notindicate or imply that the device or element referred to must have aspecific orientation, be constructed and operated in a specificorientation, and thus should not be construed as limiting the presentapplication.

In the description of this application, it should be noted that unlessotherwise specified and limited, the terms “installation”, “connection”,and “connecting” should be understood in a broad sense, for example, itcan be a fixed connection, a detachable connection, or an integralconnection; it may be a mechanical connection; it may be a directconnection or an indirect connection through an intermediary; it may bean internal communication between two components. Those skilled in theart can understand the specific meanings of the above terms in thisapplication in specific situations.

FIG. 1 is a schematic structural diagram of an embodiment of a louverblade according to the present application. The louver blade is mainlyused in external louvers, pergolas, and venetian blinds. The louverblade comprises a louver blade body 1, wherein a first matching part 11and a second matching part 12 are respectively provided on two longsides of the louver blade body 1. When in use, a plurality of louverblades are used together. When the plurality of louver blades areclosely matched with each other to realize the shielding effect, theplurality of louver blade bodies 1 are horizontally unfolded andcooperate with each other. At this time, a louver blade body 1cooperates with a second mating part 12 of an adjacent louver blade body1 through its first matching part 11, i.e. louver blade body 1cooperates with a second mating part 12 of an adjacent louver blade body1 through its first matching part 11, so that an overlapping sealingarea is formed between two adjacent louver blade bodies 1. Therefore,when the plurality of louver blade bodies cooperate to achieve shading,there is no gap between two adjacent louver blades, and water orsunlight cannot pass between two adjacent louver blades, and thewaterproof and sunshade effect is good, and the vision is smooth andbeautiful.

In the embodiment, the first matching part 11 is an undercut structure,the second matching part 12 is adapted to the structure of the firstmatching part (11), the first matching part 11, the second matching part12 are integrally formed with the louver blade body 1. The secondmatching part 12 can be a vertical plate structure, or a plate structurewith an inverted L-shaped cross section, or a P-shaped or barb-shapedcross-sectional structure. In other embodiments, a sealing strip mayalso be arranged on the side of the second matching part 12 close to thefirst matching part 11.

Further, the louver blade body 1 can be a flat plate structure. In thisembodiment, the louver blade body 1 is a plate structure with a middlepart protruding upwards, and a cross section of the louver blade body 1is in the shape of an arch bridge. This facilitates the drainage ofrainwater and reduces the accumulation of rainwater.

Referring to FIG. 2 -FIG. 6 , in an application scenario, a plurality oflouver blades are assembled on the beam frame 2 to form a louver bladeassembly. Both short sides of each louver blade body 1 on the louverblade assembly are respectively connected with an end plate 2. Arotating shaft 21 is arranged on the end plate 2, and a plurality of thelouver blade bodies 1 are respectively hinged on the beam frame 3through the rotating shaft 21. A hinge hole is formed above the endplate 2. Transmission rods 4 are provided on both sides of the louverblade bodies 1, a fixed shaft is arranged on the transmission rod 4, andthe end plate 2 is hinged to the fixed shaft of the transmission rod 4through a hinge hole. The plurality of louver blade bodies 1 are alsohinged to the two transmission rods 4 through the end plates 2 on bothsides respectively, and one of the rotating shafts 21 is connected witha driving mechanism, and the driving mechanism drives one of the louverblades to rotate, so that the transmission rod 4 drives each of thelouver blade bodies 1 to rotate synchronously.

In order to install the louver blades on the beam frame 2, the two beams32 connected to the rotating shaft 21 are provided with invertedZ-shaped grooves for installing the rotating shaft 21. The invertedZ-shaped groove is arranged on the upper end of the inner beam 32. Theinstallation of the louver blades is done by putting the rotating shafts21 on both sides of the louver blades into the inverted Z-shapedgrooves. The inverted Z-shaped groove can limit the movement of therotating shaft 21, thereby preventing the louver blades from falling offdue to the sliding of the rotating shaft 21.

The driving mechanism can be a manual handpiece, a hand wheel, or anelectric motor. The driving mechanism can manually or electrically drivethe louver blade body 1 to turn over, so as to control the closing oropening of the louver blade assembly, which can be set according toneeds, without further limitation.

In detail, the end plate 2 has an L-shaped structure, and the two sidesof the end plate 2 are connected to the first matching part 11 and thesecond matching part 12 by screws, and the end plate 2 is provided withdrain holes 22 and drain ports 23. The rainwater on the louver bladebody 1 can be drained away through the drain holes 22 and the drainports 23.

In addition, the beam frame 3 is formed by connecting four beams end toend. In order to ensure the stability of the beam structure and goodload-bearing performance, the beam includes an outer beam 31 and aninner beam 32 arranged in parallel, and the outer beam 31 and the innerbeam 32 are connected by a horizontal connecting beam 33. In thisembodiment, the outer beam 31 and the inner beam 32 are vertical plates,and the horizontal connecting beam 33 is a horizontal plate. A firstdrainage groove 34 is positioned between the outer beam 31 and the innerbeam 32. The rainwater falling on the beam frame 3 can be collected intothe first drainage groove 32, and then drained away through the firstdrainage groove 34, which can reduce rainwater splashing. One side ofthe inner beam 32 is provided with a second drainage groove 36, and thenotch of the second drainage groove 36 is arranged between the louverblade body 1 and the beam, that is, the second drainage groove 36 isarranged below0 the end plate 2. The rainwater discharged through thedrain hole 22 and the drain port 23 of the end plate 2 will flow to thesecond drainage groove 36 and be diverted through the second drainagegroove 36, which can also reduce rainwater splashing.

Referring to FIGS. 7-10 , in an application scenario, the louver bladeassembly is prepared as a pergola, and the louver blade assembly of thepergola is connected with four posts 5 for supporting the louver bladeassembly. The middle part of the post 5 is provided with a drainagechannel, and the drainage channel communicates with the first drainagegroove 32 and the second drainage groove 36. Rainwater can be divertedto the drainage channel through the first drainage groove 32 and thesecond drainage groove 36, and then stored or discharged through thedrainage channel.

In detail, in order to facilitate assembly and disassembly, acoordination groove 51 adapted to a corner of the beam frame 3 of thelouver blade assembly is formed at one end of the post 5, and aplurality of the reinforcing ribs 52 are arranged in the coordinationgroove 51, Two adjacent reinforcing ribs 52 can form a inlay groove.Both sides of the corners of the beam frame body 3 are provided withfillets 35. The fillet 35 is adapted to the inlay groove. The quantityof fillets 35 can be set as required. When the beam frame 3 is connectedwith the post 5, the fillet 35 is inserted between two reinforcing ribs52.

In order to further improve the stability of the connection between thebeam frame 3 and the post 5, the beam frame 3 and the post 5 can also beconnected by locking bolts, and the locking bolts are preferablyarranged in the first drainage groove 32 on one side of the outer beam31.

In addition, the top and bottom of the post 5 are provided with asealing plate 6, and the sealing plate 6 is connected with the post 5 byscrews. The sealing plate 6 at the bottom of the post 5 can seal thebottom of the drainage channel, which is conducive to storing rainwater.When drainage is required, the sealing plate 6 at the bottom of the post5 can be disassembled.

In summary, the present application discloses a louver blade, whichcomprises a louver blade body, wherein a first matching part and asecond matching part are respectively provided on two long sides of thelouver blade body. When a plurality of louver blade bodies are assembledon the beam frame and the louver blade assembly is fully closed, aplurality of louver blade bodies are horizontally unfolded and cooperatewith each other, a louver blade body cooperates with a second matingpart of an adjacent louver blade body through its first matching part,so that an overlapping sealing area is formed between two adjacentlouver blade bodies, so that no gap fit can be realized, and thefunction of tight fit and shielding can be realized. Its waterproof andsunshade effect is good, and there is no seepage when draining.

The above content is a further detailed description of the presentapplication in conjunction with specific preferred embodiments, and itcannot be considered that the specific implementation of the presentapplication is limited to these descriptions. For those skilled in theart to which this application belongs, some simple deduction orsubstitutions can be made without departing from the concept of thisapplication, which should be deemed to belong to the protection scope ofthis application.

1. A louver blade comprising a plurality of louver blade bodies (1),wherein a first matching part (11) and a second matching part (12) arerespectively provided on two long sides of the louver blade body (1),when the plurality of louver blade bodies (1) are horizontally hingedand cooperate with each other, the louver blade body (1) cooperates withthe second mating part (12) of an adjacent louver blade body (1) of thelouver blade body through its first matching part (11), so that anoverlapping sealing area is formed between two adjacent louver bladebodies (1), wherein two short sides of each of the louver blade bodies(1) are respectively connected with an end plate (2), wherein drainholes (22) and/or drain ports (23) are formed on the end plate (2). 2.The louver blade according to claim, wherein the first matching part(11) is an undercut structure, so that the first matching part (11) canbe overlapped on the second matching part (12) and form the overlappingsealing area, the first matching part (11) and the second matching part(12) are integrally formed with the louver blade body (1).
 3. The louverblade according to claim, wherein the louver blade body (1) is a platestructure with a middle part protruding upwards, and a cross section ofthe louver blade body (1) is in the shape of an arch bridge.
 4. A louverblade assembly, comprising a beam frame (3) and a plurality of louverblade bodies according to claim 1, wherein two short sides of each ofthe louver blade bodies (1) are respectively connected with an end plate(2), and a rotating shaft (21) is arranged on the end plate (2), and theplurality of the louver blade bodies (1) are respectively hinged on thebeam frame (3) through the rotating shaft (21), and transmission rods(4) are provided on both of the short sides of the louver blade bodies(1), the plurality of louver blade bodies are also hinged to the twotransmission rods (4) through the end plates (2) on both of the shortsides respectively, and one of the rotating shafts (21) is connectedwith a driving mechanism, the louver blade bodies (1) are driven torotate synchronously by the driving mechanism, wherein drain holes (22)and/or drain ports (23) are formed on the end plate (2).
 5. (canceled)6. The louver blade assembly according to claim 4, wherein the beamframe (3) is formed by connecting four beams end to end, and each of thebeams comprises an outer beam (31) and an inner beam (32) arranged inparallel, the outer beam (31) and the inner beam (32) are connected by ahorizontal connecting beam (33), and a first drainage groove (34) ispositioned between the outer beam (31) and the inner beam (32), a seconddrainage groove (36) is provided on one side of the inner beam (32). 7.The louver blade assembly according to claim 6, wherein an invertedZ-shaped groove for installing the rotating shaft (21) is formed on thebeam (32) connected with the rotating shaft (21), and the invertedZ-shaped groove is arranged on the inner beam (32).
 8. A pergola,comprising a louver blade assembly according to claim 4 and posts forsupporting and connecting the louver blade assembly, and a drainagechannel is arranged in middle of the posts (5).
 9. The pergola accordingto claim 8, wherein a coordination groove (51) is formed at one end ofthe posts (5), wherein a corner of the beam frame (3) of the louverblade assembly can be installed in the coordination groove, and at leasttwo reinforcing ribs (52) are arranged in the coordination groove (51),a fillet (35) is provided at the corner of the beam frame (3), and whenthe beam frame (3) is connected with the post (5), the fillet (35) isinserted between two of the reinforcing ribs (52).
 10. The pergolaaccording to claim 8, wherein sealing plates (6, 7) are arranged on thetop and bottom of the post (5), and the sealing plates (6, 7) areconnected with the posts (5) by screws.